Cyber Security

What Is Fileslock Ransomware?

What is Ransomware?

Ransomware is a type of malware that encrypts a victim's files and then demands a ransom to restore access to them. The attacker may demand payment in either cryptocurrency or fiat currency to reverse the ransomware infection. Users are shown instructions for how to pay a fee to get the decryption key.

About Fileslock Ransomware

Fileslock ransomware is a malicious software known as ransomware. Fileslock encrypts all the files in a computer until the user pays a ransom. The ransomware drops a file named HOW_TO_RECOVER_DATA.html, containing the ransom note. Files encrypted by Fileslock Ransomware are appended with a .fileslock extension at the end. 

Fileslock  Ransomware has also been spotted inside the following files and processes: ['svhost.exe', 'f3f4909771e23ec301ae2a2c5945f25c.']

Fileslock Ransomware Capabilities

  • Checks for available system drives (often done to infect USB drives) 
  • Creates a process in suspended mode (likely to inject code) 
  • Queries a list of all running processes 
  • Checks for available system drives 
  • Creates COM task schedule object 
  • Creates files inside the user directory 
  • May delete shadow drive data 
  • Disables UAC (registry) 
  • Creates or modifies windows services 
  • Queries a list of all running drivers 

How protect from Fileslock Ransomware?

Ransomware is a type of malware that encrypts a victim's files, making them inaccessible. The attacker then demands a ransom from the victim to restore access to the data upon payment. There are a number of ways to protect against ransomware, such as backing up data, installing security software, and regularly updating software and devices.

  1. Use a reliable anti-malware program to remove the malicious files 
  2. Restore your computer's files from a backup
  3. Use a strong password for all accounts online 
  4. Use caution when opening email attachments, clicking on links, downloading software, or visiting websites
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